Academy Wall

Defender
Whenever you cast an instant or sorcery spell, you may draw a card. If you do, discard a card. This ability triggers only once each turn.

Dream Twist

Target player mills three cards.
Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Scour the Laboratory

Delirium — This spell costs {2} less to cast if there are four or more card types among cards in your graveyard.
Draw three cards.

Island

Think Twice

Draw a card.
Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Tome Scour

Diabolic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Rewind

Counter target spell. Untap up to four lands.

Halimar Depths

Halimar Depths enters the battlefield tapped.
When Halimar Depths enters the battlefield, look at the top three cards of your library, then put them back in any order.
{T}: Add {U}.

Drowned Catacomb

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.
{T}: Add {U} or {B}.

Swamp

Thought Scour

Target player mills two cards.
Draw a card.

Anticipate

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Divination

Armored Skaab

When Armored Skaab enters the battlefield, mill four cards.

Morbid Plunder

Return up to two target creature cards from your graveyard to your hand.

Counterspell

Laboratory Maniac

If you would draw a card while your library has no cards in it, you win the game instead.